1. A rocketship passes extremely close to the earth with a speed of 0.900c. Observers on the ship and on earth agree tha

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1 A Rocketship Passes Extremely Close To The Earth With A Speed Of 0 900c Observers On The Ship And On Earth Agree Tha 1 (62.35 KiB) Viewed 127 times

1. A rocketship passes extremely close to the earth with a speed of 0.900c. Observers on the ship and on earth agree that it is 1pm. At 1:33pm, as indicated on a rocketship clock, the ship passes a small space station which is fixed relative to the earth and whose clocks read earth time. a. What time is it on the space station clocks when the ship passes? b. How far from earth is the space station? c. At 1:33pm (rocketship time) the ship sends a report by radio back to earth. At what earth time do the NASA people on earth receive the message? 2. Todd and Rod are twin brothers. When they turned 20years old, Rod toured the universe on a high speed spaceship travelling at 2.87x10 m/s. Todd measured that 10. years passed during his brother's trip. What did Rod believe his age was when he reunited with his brother Todd? 3. In the future, Jake will ride a 75cm "space-skateboard" through the universe, fighting crime. If the space-bandits at rest on Mars believe the skateboard appears to have a length of 65cm as Jake approaches them to make an arrest, how fast will Jake's skateboard be moving? 4. An electron with rest energy 0.511 MeV moves with speed 0.80c. Calculate; a. its total relativistic energy b. Its kinetic energy c. it's speed in m/s. 5. A proton is accelerated to a speed of 2.96x10 m/s. Determine; a. The non-relativistic momentum of the proton b. The relativistic momentum of the proton